Kate Middleton et le prince William au Trocadéro

Catherine ( Kate Middleton ), Duchess of Cambridge and Prince William, Duke of Cambridge visit a 'Les Voisins in Action' event highlighting the strong ties between the young people of France and the UK at the Trocadero in front of the Eiffel tower during an official two-day visit to Paris on March 18, 2017 in Paris, France. Their Royal Highnesses met local school children and students from the British Council's Somme project and young learners programmes, as well as young French rugby fans ahead of the RBS Six Nations match that afternoon. Photo by Pool/ABACAPRESS.COM | 586250_019 Paris France

Kate Middleton et le prince William au Trocadéro

Catherine ( Kate Middleton ), Duchess of Cambridge and Prince William, Duke of Cambridge visit a 'Les Voisins in Action' event highlighting the strong ties between the young people of France and the UK at the Trocadero in front of the Eiffel tower during an official two-day visit to Paris on March 18, 2017 in Paris, France. Their Royal Highnesses met local school children and students from the British Council's Somme project and young learners programmes, as well as young French rugby fans ahead of the RBS Six Nations match that afternoon. Photo by Pool/ABACAPRESS.COM | 586250_021 Paris France

Kate Middleton et le prince William au Trocadéro

Catherine ( Kate Middleton ), Duchess of Cambridge and Prince William, Duke of Cambridge visit a 'Les Voisins in Action' event highlighting the strong ties between the young people of France and the UK at the Trocadero in front of the Eiffel tower during an official two-day visit to Paris on March 18, 2017 in Paris, France. Their Royal Highnesses met local school children and students from the British Council's Somme project and young learners programmes, as well as young French rugby fans ahead of the RBS Six Nations match that afternoon. Photo by Pool/ABACAPRESS.COM | 586250_027 Paris France

Kate Middleton et le prince William au Trocadéro

Catherine ( Kate Middleton ), Duchess of Cambridge and Prince William, Duke of Cambridge visit a 'Les Voisins in Action' event highlighting the strong ties between the young people of France and the UK at the Trocadero in front of the Eiffel tower during an official two-day visit to Paris on March 18, 2017 in Paris, France. Their Royal Highnesses met local school children and students from the British Council's Somme project and young learners programmes, as well as young French rugby fans ahead of the RBS Six Nations match that afternoon. Photo by Pool/ABACAPRESS.COM | 586250_033 Paris France

Kate Middleton et le prince William au Trocadéro

Catherine ( Kate Middleton ), Duchess of Cambridge and Prince William, Duke of Cambridge visit a 'Les Voisins in Action' event highlighting the strong ties between the young people of France and the UK at the Trocadero in front of the Eiffel tower during an official two-day visit to Paris on March 18, 2017 in Paris, France. Their Royal Highnesses met local school children and students from the British Council's Somme project and young learners programmes, as well as young French rugby fans ahead of the RBS Six Nations match that afternoon. Photo by Pool/ABACAPRESS.COM | 586250_039 Paris France